Granted Patent
Utility
US 6,514,744 · App. 10/012,510
External compositions for skin comprising sphingoglycolipid
Inventors:
Katsumi Murata, Takashi Nozawa, Hisako Hara, Michiki Asai, Sachio Wakayama
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Dec 12, 2001
Inventors
Katsumi Murata
Takashi Nozawa
Hisako Hara
Michiki Asai
Sachio Wakayama
Assignee (at issue)
KIBUN FOOD CHEMIFA CO., LTD.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.